Home / 42,122.69-63,162.91-14,032.87

Finding the Fourth Proportional to 42,122.69, 63,162.91 and 14,032.87

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Solution

The fourth proportional to 42,122.69, 63,162.91 and 14,032.87 is: 21,042.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,122.69 : 63,162.91 = 14,032.87 : x
  2. Step 2: Convert to fraction form
    42,122.69/63,162.91 = 14,032.87/x
  3. Step 3: Cross multiply
    42,122.69x = 63,162.91 × 14,032.87
  4. Step 4: Simplify right side
    42,122.69x = 886,357,001.35
  5. Step 5: Solve for x
    x = 886,357,001.35/42,122.69
  6. Step 6: Final answer
    x = 21,042.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.